The term 'is suitable (for)' can be broken down into four crossword solutions: DOES (4 letters), STIFEB (6 letters), BEFITS (6 letters), and FITS (4 letters). The word DOES is a verb meaning to perform or execute an action, while STIFEB is an acronym for 'Suitable To Its Function, Environment, and Budget'. BEFITS is a verb meaning to be appropriate or suitable for something, and FITS is a verb meaning to be the right size or shape for something. All four words are related to the idea of being suitable or appropriate for a given situation.